Wake-up signal associated to region transmitted to terminal device

Abstract

An apparatus, comprising at least one processor, and at least one memory storing instructions, the at least one memory and the instructions configured to, with the at least one processor, cause a network device to transmit a first information characterizing a region associated with a wakeup signal to at least one terminal device.

1 - 15 . (canceled) 
     
     
         16 . An apparatus, comprising at least one processor, and at least one memory storing instructions, the at least one memory and the instructions configured to, with the at least one processor, cause a network device to transmit a first information (I- 1 ) characterizing a region (REG-WUS) associated with a wakeup signal to at least one terminal device. 
     
     
         17 . The apparatus according to  claim 16 , wherein the instructions, when executed by the at least one processor, further cause the network device to determine the first information (I- 1 ) based on at least one of: a) position information (INF-POS) reported by the at least one terminal device, b) a footprint (FP) of at least one terrestrial radio cell (C-TERR), c) at least one tracking area (TA) mapped to the region (REG-WUS) associated with the wakeup signal. 
     
     
         18 . The apparatus according to  claim 16 , wherein the instructions, when executed by the at least one processor, further cause the network device to modify the region (REG-WUS) associated with the wakeup signal to obtain a modified region (REG-WUS′) and to transmit a second information (I- 2 ) characterizing the modified region (REG-WUS′) to the at least one terminal device. 
     
     
         19 . The apparatus according to claim  13 , wherein the instructions, when executed by the at least one processor, further cause the network device to determine (when at least one non-terrestrial radio cell (C-NON-TERR) is at least partly covering the region (REG-WUS) associated with a wakeup signal. 
     
     
         20 . The apparatus according to  claim 16 , wherein the instructions, when executed by the at least one processor, further cause the network device to transmit (a third information (I- 3 ) characterizing at least two wakeup signal groups and a respective paging probability associated with a respective one of the at least two wakeup signal groups to the at least one terminal device. 
     
     
         21 . The apparatus (according to  claim 20 , wherein the instructions, when executed by the at least one processor, further cause the network device to receive (a paging signal (S 1 -PAG) and to transmit a group wakeup signal (GWUS) or a wakeup signal to the at least one terminal device based on whether the paging signal (S 1 -PAG) is sent in a last WUS region or outside the last WUS region. 
     
     
         22 . The apparatus according to  claim 16 , wherein the instructions, when executed by the at least one processor, further cause the network device to transmit the first information (I- 1 ) in at least one of a system information block or a master information block. 
     
     
         23 . A method comprising: transmitting, by a network device, a first information (I- 1 ) characterizing a region (REG-WUS) associated with a wakeup signal to at least one terminal device. 
     
     
         24 . An apparatus, comprising at least one processor, and at least one memory storing instructions, the at least one memory and the instructions configured to, with the at least one processor, cause a terminal device to receive at least one of a first information (I- 1 ) characterizing a region (REG-WUS) associated with a wakeup signal from a network device and a second information (I- 1 ) characterizing a modified region (REG-WUS′). 
     
     
         25 . The apparatus according to  claim 24 , wherein the instructions, when executed by the at least one processor, further cause the terminal device to determine whether to monitor a wakeup signal based on the first information (I- 1 ). 
     
     
         26 . The apparatus according to  claim 24 , wherein the instructions, when executed by the at least one processor, further cause the terminal device to receive non-access stratum signaling (NAS-sig) characterizing a paging probability for a first region associated with a wakeup signal for a last serving radio cell and a paging probability for at least one further region different from the first region, to receive a third information (I- 3 ) characterizing at least two wakeup signal groups and a respective paging probability associated with a respective one of the at least two wakeup signal groups, and to select a group wakeup signal (GWUS) for monitoring based on the non-access stratum signaling (NAS-sig). 
     
     
         27 . A method comprising: receiving, by a terminal device, at least one of a first information (I- 1 ) characterizing a region (REG-WUS) associated with a wakeup signal from a network device and a second information (I- 1 ) characterizing a modified region (REG-WUS′)